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﻿SanDisk and Tsohiba announced the world's smallest and the most advanced memory process technology node in the world.It is 64-gigabit (Gb), 2-bits-per-cell (X2) based monolithic chip made on 19-nanometer (nm) NAND flash memory chip.

Sampling world's smallest NAND flash memory device begin this quarter and high-volume production will begin in the second half of 2011 by Toshiba. With increase in production, SanDisk is planing to add 3-bits-per-cell (X3) products fabricated with the 19nm process technology.

Yoram Cedar, executive vice president and chief technology officer of SanDisk said that "We are excited to introduce the world's smallest and lowest-cost NAND flash chips based on industry-leading 19nm process technology in our ongoing collaboration with our manufacturing partner Toshiba" . Further adding he said "Products based on this technology are designed to enable new applications, form factors and consumer experience that will continue to drive the flash industry to new heights."

The companies said the smaller process would help device makers to get more storage in less space. There's no mention of the chip's actual dimensions besides citing the prospect of stacking a batch of 16 to deliver 128GB modules for use in mobile phones, tablet computers and other devices. The 19nm NAND chips are equipped with Toggle DDR2.0 to enhance data transfer speed, and use an All-Bit-Line architecture with proprietary programming algorithms and multi-level data storage management that will allegedly uphold performance and reliability.